Perpetual calendar



24. Juiy 8 19 D. R. ADAMS PERPETUAL CALENDAR m W Wm m 1 m m 3 R m m m U D M w 9M- 2 a m. F

.Bul mm.

' D. R. ADAMS PERPETUAL CALENDAR Fild May 22, 1923 Sheets-Sheet 2 li eteuted duly 8, recs,

DQNALD R. AZMUtiS,OF ANCHORAGE, TERRITORY 61F ALASKA.

PERPETUAL CALENDAR.

Application filed May 22, 1923, Serial No. 640,?51.

To all whom it may concern:

Be it known that l, DoNALn R. ADAMS, a citizen oi the United States, residing at Anchorage, Territory of Alaska, have invented certain new and useful Improvements in Perpetuul Culender of which the following is a specification,

This'invention relates to a calendar which they be used from month to month and year to your, embodying an adjustable feature to selectively arrange the days of the inonth for cooperation withthe days of the Week duringeuycurrent period. s

A further object of his invention is the provision oil? :1 calender adapted for periaetuel use, which can he adopted to various articles end constructions, hom so arranged that months halving unequal numbers of therein may he correctly presentedto V??? v [it further object of this invention is the revision of e relatively compact construction embodying mouse to provide a calendar for ztuy current month with the correct iegnumhers of deys therein for the current "month, so that the necessity of renewing,

.the'cclendsr from mouth to month and year our is obviated. Qfurther object of this invention-is the v"prevision of a calendar construction of the shove mentioned character which may be formed in various constructions, such as upon a. fountain pen, pencil, upon a pillar such es in iii-Shank or business house, upon a, desk proper weight, or the like.

A i'urther object of this invention is the provision of at construction of the above mentioned cherecter which may be selectivel edusted to show a month of a detera 1 mined number of days, and in which the first day thereof starts on eny day of the weeu.

@ther objects and advantages of this invention will be apparent during the course of the following detailed descr ption.

in the accompanying drawings, forming a port of this specification, and wherein similcr reference characters designate cor-- responding parts throughout the several views:

tween. Immediately below the shoulder Figure l is a side elevation of a fountain pen, showing the cop thereof as provided with the improved perpetual calendar.

' Figure 2 is an enlarged fragmentary cross sectional view, taken longitudinally through c the cap of the fountain pen illustrated in Figure 1, end showing certain novel features of construction as details of the calendar construction.

Figure 3 is a side elevation, partly in cross section, showing calendar details of the fountain pen cap illustrated in Figures 1 and 2.

Figure 4 is a side elevation, showing details illustrated in Figure 3, but with parts of the improved calender construction is position so that the numerals of the colondar may be adjusted in selective manner with the days of the Week as delineated thereon.

Figure 5 is a transverse cross sectional view, taken substantially on the line 55 of Figure 2 Figure 6 is'a developed view of the sys tem of numerals as employed in connection with the improved perpetual calendar,

In the drawings, wherein for the purpose of illustration is shown but the preferred embodiment of this invention, the letter A. muy'generally designate s fountain pen or analogous constructlon embodying the stock portion Bond cap 0; the latter of which is of novel construction to provide the perpetual calender.

The cup or member Unity of course hm of any formsition in so for as the application of details of the improved perpetual colon; dar is concerned, but .as'the application or the cale'ndar features are shown in connection with a' fountain pen cs it is preferred that this cap include a ho y portion 10 of hollow cylindricci construction, having the upper end 11. thereof circumferenticlly reduced to form an snnuier shoulder intermediate the ends of the cap,'which provides a plurality of V-shaped teeth 12 with corresponding t -shaped recesses 13 thereh provided by the d-shcpedtecth 122, the ho portion l0 is provided with the screw threading '14: cut therein. The reduced end 11 ofthe cap 10 is further on nnlerly reduced intermediate its ends to provide an annular recess 15 exteriorly upon the outer circumference thereof, Within which a slip of paper or analogous material Ildmey be placed, so that the outer surface of snide-lenient or materiel lb lies flush with the outer circinnference of the reduced port 11 of the cap B. This element or material 16 contains a numerical calendar arrangement which. will be subsecpiently set forth.

A sleeve, ferrule, or auxiliary cap member 20 is preferably provided for rotatable mounting over the reduced end portion 11 of the cap 10, bein of hollow cylindrical formation end having th extreme lower inersiin thereof provided with substantially V- e ns-pod teeth 22 for interfitting with the teeth 12 of the on C, and which when in terfitting tliereivitl will prevent relative rotetion the sleeve member 29 upon the cop portion ii. The sleeve portion 20 is preferably of such thickness that when the some is placed upon the reduced end 11 of the cap 10, the exterior surface thereof will lie flush with tlle'outer surface of the lower portion of the body 10, substentislly as is illustreted in the drawings. The lower end of the member 20 is exteriorly screw threaded, just upwmreily of the teeth 22 end in opposits manner to the threads 14. of the body 10, as at 25. The sleeve or member 20 isv preferably provided with a. relatively large opening 27 therein, edepted to expose at any one time suficient of the numerals upon the legend 1'5 '00 provide an calender having e predetermined number of days in the month expand as e calender; the side marginal edges 29 and 38 defining the opening; 27, thus ccoperete in marking the limit of the port-ion oi the member 1% which is. exposed through the opening 27 Upwerdly of the opening 2* the exterior of the member 20 is preferably provided with the initials S- Ivl'llV-T--F--, which of course respectively desigyisted tlie of the Week, and are edsptcd to hove e"vei""cel column of figures "fell thereunder, as depicted upon. the calender member 1%.

1%. locking sleeve 35 is 'preie'rebly provided for securing the portions 10 end 20 of the cap against movement, and which exteriorly thereof, at its upper and lower ends is respectively provided with right hand and left hand threads for receiving the right and left hand threaded portions end 1% of the cap portions '20 end 10 respectively. It is obvious that upon rotation of the sleeve 35 to the left, the pert 20 of the co C will be moved away from the body portion 10 thereof, and thus moving the teeth 12 and 22 from. out of their interengoging relation so tliet the part 20 may move reletively to mousse the cap body portion 10. This adjustment is provided, in order that the days of the week as designated by the initials upon the member 20 may be selectively arranged with re spect to the numerals upon. the sheet of nutterial 16, to show which particular day of the week the first do in the month rolls upon.

Referring to the arrangement of numerals which appears upon the calendar strip or member 16, it is preferred to provide transverse rows of numerals thereon, at an acute angle to the horizontal, substantially as is illustrated in Figure 6. In the form shown it is preferred to provide two complete sets of numerals, each of which sets designote the numerical arrangement in the months of a calendar having a, predetermined number of days therein. Thus, as is illustrated in Figure 6 of the drawings, those numerals embraced Within the bracket designated by the latte m are arranged to designates month having thirty-one days therein. The'numersls as arranged in this set w, are arranged in seven vertical rows as in any calendar month. i It is preferred that the first transverse row of numerals contain numerals from 1 to 7; the second row contain numerals from 8 to 14 inclusive; the third row contain numerals from 15 to 21' inclusive; the fourth transverse row containing numerals from 22 to 28 inclusive; and the fifth transverse row containing numerals 29, 30 and 31. The second set of numerals y contains thirty numerals errenged in seven vertical rows, as in any onender arrangement. The transverse rows of numerals appearing in set 7 are analogone to the set as, the first row containing numerals l to 7 inclusive, the second trensverse row containing numerals 8 to i l in elusive, the third trensverse row of numerals containing numerals 15 to 21 inclusive; the "fourth transverse row in this set containing numerals 22 to 28 inclusive, and the fifth transverse row containing numerals 29 and 30. It will thus be seen that set 03 contains numbers for thirty-one days, while set y contains numbers for thirty days. 'Tli.e-sets m and y are cooperatively positioned so that the first transverse row of numerals appearing in set w aligns with the second transverse row of numerals appearing in set 3 so that numerals appearing in these rows consecutively increase in value. The rows in both sets as and 3 below these rows are similerly arranged in alignment es is illustrated in Figure 6. (lther s of numerals may likewise be included in simi lar cooperative mar ner to that illustrated in Figure 6. For instance, for the month of February, there bein 28 or 29 days, edditionel sets or numerals containing 28 zinl deys mey be extended upon the member 16.

id is of course annularly internleshing teeth 12 and 22 are cooperainc reduced end ll of the body tively formed with the placing of the nun 10 of the cap C, so that the man morals, so that the vertical rows of numerals ginal thereof are in abutting relation may properly align with the letters desig- 5 and the numerals are circumferentially arhating the days of the Week. Uther locking Eiil d bout said reduced cud ll, s bstanexpedients to secure a desired calendar a1 i9 is illustrated in the drawings. In rangement, may be provided.

providing the numerals upon a sheet Various changes in the shape, size and ariber iii, the numerals may be en rangemenoof parts maybe made to the or embossed in contrasting manner form of invention herein shown and (e- 1 i d end ll of the cap C. scribed, Without departing from the. spirit r operation of the improved oi the invention or the scope of the claims.

lee. r t selectively provide the I claim:

'engernent for any current 1. In a calendar of the class described the ,e obvious from the above do combination of a cylindrical shaped supn in connection with the ilporting body having the upper end thereof 39 lnsaations .Lli the drawings. @nly that porannularly reduced and at the juncture of tion-ot the numeral system upon the mem saidv annularly reduced portion with the her 16, is visible to an observer, which is body, the latter having substantially V- exposed through the slot or opening 27 in shaped teeth annularly arranged about the the member 26.. As is illustrated in Figbody, said body being screw threaded adare of the drawings, to provide a calendar jacent said teeth, means carried by the. re month in which thirty-one days appear, the duced portion designating a set of numerlirst day of the month starting on Monday, als arranged in the form of a calendar 25 the sleeve or member 20 is rotated upon the month, a sleeve member for receiving therebody 10 until the letter M thereon, which in the reduced portion of said cylindrical designates ltfilonday is disposed over the body, said sleeve member having a tran h mineral in the first transverse row of verse opening therein with indicia arranged the of numerals an There Will then along. an edge of said opening representa- 39 be on vertical rows of numerals visible tive of the days or" the weelc theslecve memi the opening 2'7, which includes six her when receiving the reduced portion of rows in the, set a and one vertithe cylindrical body therein, having a set of cal low in 3 is obvious from Figures nun'ierals or" the reduced portion displayed l of drawings, through said opening in the form of a calit is desired to shift the calendar arendar month having a predetermined nxnn- 1 rangcinent from that above described to prober of days therein with. the first day of. the vide a calendar month in which but thii month selectively falling on a particular ty days appear, the first day of the month day of the Week as designated by the ini alling on Wednesday, the member 20 is eledicia on said sleeve, said sleeve at an end vated by rotation of the adjusting sleeve 35 thereoi having substantially V-shaped teeth into the position substantially designated in extending therefrom for interengagement Figure The member 20 then may be with the teeth of said body, said sleeve adrelatively rotated upon the reduced end 11 jacent said teeth having screw threads of body 10, until. the W thereon, desigthereon oppositely threaded with respect to l l ednesday, is'directly over the the threads of said body, and a coupling 3 l. in the set y of numerals When band internally screw threaded in opposite 9 i, aosition, the loolring sleeve may directions from the ends thereof adapted so that the teeth 12 and 22 of the for threaded engagement With the threads and sleeve 20 of the cap 0 respecof the cylindrical body and said sleeve -ierinesh and the body 10 and sleeve whereby upon rotation of said couplin be locked against rotation so that band the teeth of the sleeve and body ma; u may have a desired calendar &lforced into locking engagement for mainrangerncnt for the current month, The ver raining the sleeve in a desiredrelation upon tical rows of numerals which appear the 'sduced portion of said cylindrical body. throng-lithe opening 27 of the cap C, in 2. In a perpetual calendar the comloinar igure 4 of the drawings, are included withtion 0' a cylindrical shaped body having numg the bracket designated 5.2 in Figure 6 merals arranged circumferentially thereof the drawings. about and providing .tWo independently l rorn the foregoing description of this complete sets or numerals depicting the invention, it is apparent that perpetual numbers in calendar months, said months endar has been provided, in which it is as designated containing unequal numbers o, secure amonth having a predeor days, the numerals of the months being ed number of clays starting on any so related that vcertain transverse'roW-s of he l't to be noted the. the oneset circumferential alignment and in successive relation with certain rows of the other sei:, a sleeve member siidaoie along and rotatable upon said eyiindricai shaped supporting body havingan opening therein by means 01: which a calendar month set of numerals may be displayed through the 913- caning, said sleeve membe' having iiiciicia arranged thereon designating the days of the week with which the numerals of (he cylinder member are cooperatively associated, intezengegingg teeth carried by the eylizv diieai. bedy zmvi the sis-eve member, and means for locking the teeth in a desired interengaged relation so 11235 the indicia of the sleeve member will be arranged in :i (iesired. relation with irespectto the numerais expeeeci through the opening thereof. ALB 5i. AEAILKS. 

